#include "vlog.h"
#define THIS_MODULE VLM_openflowd
-/* Behavior when the connection to the controller fails. */
-enum fail_mode {
- FAIL_OPEN, /* Act as learning switch. */
- FAIL_CLOSED /* Drop all packets. */
-};
-
/* Settings that may be configured by the user. */
struct ofsettings {
- /* Overall mode of operation. */
- bool discovery; /* Discover the controller automatically? */
- bool in_band; /* Connect to controller in-band? */
+ /* Controller configuration. */
+ struct ofproto_controller *controllers;
+ size_t n_controllers;
/* Datapath. */
uint64_t datapath_id; /* Datapath ID. */
const char *dp_desc; /* Datapath description. */
/* Related vconns and network devices. */
- const char *controller_name; /* Controller (if not discovery mode). */
struct svec listeners; /* Listen for management connections. */
struct svec snoops; /* Listen for controller snooping conns. */
/* Failure behavior. */
- enum fail_mode fail_mode; /* Act as learning switch if no controller? */
int max_idle; /* Idle time for flows in fail-open mode. */
- int probe_interval; /* # seconds idle before sending echo request. */
- int max_backoff; /* Max # seconds between connection attempts. */
-
- /* Packet-in rate-limiting. */
- int rate_limit; /* Tokens added to bucket per second. */
- int burst_limit; /* Maximum number token bucket size. */
-
- /* Discovery behavior. */
- const char *accept_controller_re; /* Controller vconns to accept. */
- bool update_resolv_conf; /* Update /etc/resolv.conf? */
/* Spanning tree protocol. */
bool enable_stp;
proctitle_init(argc, argv);
set_program_name(argv[0]);
- time_init();
vlog_init();
parse_options(argc, argv, &s);
signal(SIGPIPE, SIG_IGN);
if (s.ports.n) {
const char *port;
size_t i;
- struct netdev *netdev;
SVEC_FOR_EACH (i, port, &s.ports) {
- error = netdev_open_default(port, &netdev);
- if (error) {
- ovs_fatal(error, "failed to open %s as a device", port);
- }
-
error = dpif_port_add(dpif, port, 0, NULL);
if (error) {
ovs_fatal(error, "failed to add %s as a port", port);
if (error) {
ovs_fatal(error, "could not initialize openflow switch");
}
- error = ofproto_set_in_band(ofproto, s.in_band);
- if (error) {
- ovs_fatal(error, "failed to configure in-band control");
- }
- error = ofproto_set_discovery(ofproto, s.discovery, s.accept_controller_re,
- s.update_resolv_conf);
- if (error) {
- ovs_fatal(error, "failed to configure controller discovery");
- }
if (s.datapath_id) {
ofproto_set_datapath_id(ofproto, s.datapath_id);
}
if (error) {
ovs_fatal(error, "failed to configure NetFlow collectors");
}
- ofproto_set_failure(ofproto, s.fail_mode == FAIL_OPEN);
- ofproto_set_probe_interval(ofproto, s.probe_interval);
- ofproto_set_max_backoff(ofproto, s.max_backoff);
- ofproto_set_rate_limit(ofproto, s.rate_limit, s.burst_limit);
error = ofproto_set_stp(ofproto, s.enable_stp);
if (error) {
ovs_fatal(error, "failed to configure STP");
}
- if (!s.discovery) {
- error = ofproto_set_controller(ofproto, s.controller_name);
- if (error) {
- ovs_fatal(error, "failed to configure controller");
- }
- }
+ ofproto_set_controllers(ofproto, s.controllers, s.n_controllers);
daemonize_complete();
OPT_OUT_OF_BAND,
OPT_IN_BAND,
OPT_NETFLOW,
- OPT_MGMT_ID,
OPT_PORTS,
VLOG_OPTION_ENUMS,
LEAK_CHECKER_OPTION_ENUMS
{0, 0, 0, 0},
};
char *short_options = long_options_to_short_options(long_options);
+ struct ofproto_controller controller_opts;
/* Set defaults that we can figure out before parsing options. */
+ controller_opts.target = NULL;
+ controller_opts.max_backoff = 8;
+ controller_opts.probe_interval = 5;
+ controller_opts.fail = OFPROTO_FAIL_STANDALONE;
+ controller_opts.band = OFPROTO_IN_BAND;
+ controller_opts.accept_re = NULL;
+ controller_opts.update_resolv_conf = true;
+ controller_opts.rate_limit = 0;
+ controller_opts.burst_limit = 0;
s->datapath_id = 0;
s->mfr_desc = NULL;
s->hw_desc = NULL;
s->dp_desc = NULL;
svec_init(&s->listeners);
svec_init(&s->snoops);
- s->fail_mode = FAIL_OPEN;
s->max_idle = 0;
- s->probe_interval = 0;
- s->max_backoff = 8;
- s->update_resolv_conf = true;
- s->rate_limit = 0;
- s->burst_limit = 0;
- s->accept_controller_re = NULL;
s->enable_stp = false;
- s->in_band = true;
svec_init(&s->netflow);
svec_init(&s->ports);
for (;;) {
break;
case OPT_ACCEPT_VCONN:
- s->accept_controller_re = optarg;
+ controller_opts.accept_re = optarg;
break;
case OPT_NO_RESOLV_CONF:
- s->update_resolv_conf = false;
+ controller_opts.update_resolv_conf = false;
break;
case OPT_FAIL_MODE:
- if (!strcmp(optarg, "open")) {
- s->fail_mode = FAIL_OPEN;
- } else if (!strcmp(optarg, "closed")) {
- s->fail_mode = FAIL_CLOSED;
+ if (!strcmp(optarg, "open") || !strcmp(optarg, "standalone")) {
+ controller_opts.fail = OFPROTO_FAIL_STANDALONE;
+ } else if (!strcmp(optarg, "closed")
+ || !strcmp(optarg, "secure")) {
+ controller_opts.fail = OFPROTO_FAIL_SECURE;
} else {
- ovs_fatal(0, "--fail argument must be \"open\" or \"closed\"");
+ ovs_fatal(0, "--fail argument must be \"standalone\" "
+ "or \"secure\"");
}
break;
case OPT_INACTIVITY_PROBE:
- s->probe_interval = atoi(optarg);
- if (s->probe_interval < 5) {
+ controller_opts.probe_interval = atoi(optarg);
+ if (controller_opts.probe_interval < 5) {
ovs_fatal(0, "--inactivity-probe argument must be at least 5");
}
break;
break;
case OPT_MAX_BACKOFF:
- s->max_backoff = atoi(optarg);
- if (s->max_backoff < 1) {
+ controller_opts.max_backoff = atoi(optarg);
+ if (controller_opts.max_backoff < 1) {
ovs_fatal(0, "--max-backoff argument must be at least 1");
- } else if (s->max_backoff > 3600) {
- s->max_backoff = 3600;
+ } else if (controller_opts.max_backoff > 3600) {
+ controller_opts.max_backoff = 3600;
}
break;
case OPT_RATE_LIMIT:
if (optarg) {
- s->rate_limit = atoi(optarg);
- if (s->rate_limit < 1) {
+ controller_opts.rate_limit = atoi(optarg);
+ if (controller_opts.rate_limit < 1) {
ovs_fatal(0, "--rate-limit argument must be at least 1");
}
} else {
- s->rate_limit = 1000;
+ controller_opts.rate_limit = 1000;
}
break;
case OPT_BURST_LIMIT:
- s->burst_limit = atoi(optarg);
- if (s->burst_limit < 1) {
+ controller_opts.burst_limit = atoi(optarg);
+ if (controller_opts.burst_limit < 1) {
ovs_fatal(0, "--burst-limit argument must be at least 1");
}
break;
break;
case OPT_OUT_OF_BAND:
- s->in_band = false;
+ controller_opts.band = OFPROTO_OUT_OF_BAND;
break;
case OPT_IN_BAND:
- s->in_band = true;
+ controller_opts.band = OFPROTO_IN_BAND;
break;
case OPT_NETFLOW:
"use --help for usage");
}
- /* Local and remote vconns. */
- dp_parse_name(argv[0], &s->dp_name, &s->dp_type);
-
- s->controller_name = argc > 1 ? xstrdup(argv[1]) : NULL;
-
/* Set accept_controller_regex. */
- if (!s->accept_controller_re) {
- s->accept_controller_re
+ if (!controller_opts.accept_re) {
+ controller_opts.accept_re
= stream_ssl_is_configured() ? "^ssl:.*" : "^tcp:.*";
}
- /* Mode of operation. */
- s->discovery = s->controller_name == NULL;
- if (s->discovery && !s->in_band) {
- ovs_fatal(0, "Cannot perform discovery with out-of-band control");
+ /* Rate limiting. */
+ if (controller_opts.rate_limit && controller_opts.rate_limit < 100) {
+ VLOG_WARN("Rate limit set to unusually low value %d",
+ controller_opts.rate_limit);
}
- /* Rate limiting. */
- if (s->rate_limit && s->rate_limit < 100) {
- VLOG_WARN("Rate limit set to unusually low value %d", s->rate_limit);
+ /* Local vconns. */
+ dp_parse_name(argv[0], &s->dp_name, &s->dp_type);
+
+ /* Controllers. */
+ s->n_controllers = argc > 1 ? argc - 1 : 1;
+ s->controllers = xmalloc(s->n_controllers * sizeof *s->controllers);
+ if (argc > 1) {
+ size_t i;
+
+ for (i = 0; i < s->n_controllers; i++) {
+ s->controllers[i] = controller_opts;
+ s->controllers[i].target = argv[i + 1];
+ }
+ } else {
+ s->controllers[0] = controller_opts;
+ s->controllers[0].target = "discover";
+ }
+
+ /* Sanity check. */
+ if (controller_opts.band == OFPROTO_OUT_OF_BAND) {
+ size_t i;
+
+ for (i = 0; i < s->n_controllers; i++) {
+ if (!strcmp(s->controllers[i].target, "discover")) {
+ ovs_fatal(0, "Cannot perform discovery with out-of-band "
+ "control");
+ }
+ }
}
}
usage(void)
{
printf("%s: an OpenFlow switch implementation.\n"
- "usage: %s [OPTIONS] DATAPATH [CONTROLLER]\n"
+ "usage: %s [OPTIONS] DATAPATH [CONTROLLER...]\n"
"DATAPATH is a local datapath (e.g. \"dp0\").\n"
- "CONTROLLER is an active OpenFlow connection method; if it is\n"
- "omitted, then ovs-openflowd performs controller discovery.\n",
+ "Each CONTROLLER is an active OpenFlow connection method. If\n"
+ "none is given, ovs-openflowd performs controller discovery.\n",
program_name, program_name);
vconn_usage(true, true, true);
printf("\nOpenFlow options:\n"
git://git.onelab.eu / sliver-openvswitch.git / blobdiff